Thank you.I went back and checked. There is a model with dies for 1/4 and 5/16 tubes available.
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Small Tube Beading Tool, 1/4" and 5/16" O.D. Tube — Graham Tool Company, Inc. | Tube beading tools for professionals | At-home dental aligners, retainers, tongue thrust
Useful to form a bead on rigid tubing for hose and hose clamp applications. Works on tube from 1/4" O.D. to 5/16" O.D. Can be used on aluminum, copper, steel, and stainless steel. The inner and outer rollers are made from heavy duty H11 tool steel for stainless steel applications.www.grahamtool.com